1-22 Read/write formulas of polyatomic ions

1-22-1. Which of the following polyatomic ions is not paired with its correct formula?
A. sulfate, SO₄^2-, B. carbonate, CO₄^2-,
C. phosphate, PO₄^3-, D. perchlorate, ClO₄^-

1-22-2. Which of the following polyatomic ions is not paired with its correct formula?
A. nitrate, NO₃^3-, B. borate, BO₃^3-,
C. carbonate, CO₃^2-, D. chlorate, ClO₃^-

1-22-3. Which of the following polyatomic ions is not paired with its correct formula?
A. permanganate, MnO₄^-, B. perchlorate, ClO₄^-,
C. persulfate, SO₄^-, D. perbromate, BrO₄^-

1-22-4. Which of the following polyatomic ions is not paired with its correct formula?
A. chlorite, ClO₂^-,B. hypochlorite, ClO^-,
C. phosphite, PO₂^-, D. sulfite, SO₃^2-

1-22-5. Which of the following polyatomic ions is not paired with its correct formula?
A. chromate, CrO₄^2-, B. dichromate, Cr₂O₈^2-,
C. molybdate, MoO₄^2-, D. permanganate, MnO₄^-

1-22-6. The formula of the bisulfite ion is...
A. S₂O₃^2-, B. S₂O₆^2- , C. HSO₃^-, D. S₂^2-

1-22-7. Which of the following is the correct formula for the mercury(I) ion?

A. Hg, B. Hg₂, C. Hg⁺, D. Hg₂²⁺

1-22-8. The formula of a thiosulfate ion is...
A. S₂O₃^2-, B. S₂O₆^2- , C. S₂O₄^2-, D. S₂O₈^2-